Metal Injection — Not that this is any surprise after hearing the 911 call, but the official word came about Slipknot bassist Paul Gray died of an accidental overdose of morphine and fentanyl (described on Wikipedia as an opioid "approximately 100 times more potent th... more info

MTV.co.uk News — Slipknot bassist Paul Gray died of an accidental overdose, according to an official autopsy. A toxicology report found a high level of morphine and morphine substitute fentany in the rocker’s... more info

Popeater — Filed under: Music News, Celebrity Deaths The May 24 death of 38-year-old Paul Gray, bassist in Iowa metal act Slipknot, left his fans and eight bandmates stunned. The Polk County Medical Examiner's Office now reveals Gray died of "an accidental over... more info

Perez Hilton — So sad. Slipknot bassist Paul Gray died last month and his death has been ruled as an "accidental overdose of morphine" The Urbandale Police Department has released the toxicology results and final autopsy report, which shows Gray had morphine in hi... more info

NME — The bass player had also been suffering from heart disease more info

ContactMusic — Paul Gray died from an accidental overdose, autopsy results have proved.The bassist for band Slipknot is thought to have taken morphine and fentanyl - an imitation... more info

Detroit Free Press — DES MOINES, Iowa - Autopsy results show the bassist for heavy metal band Slipknot died of an accidental overdose of morphine and fentanyl, a synthetic morphine substitute. more info

Gigwise — Toxicology tests reveal... more info

Reuters — LOS ANGELES (Reuters) - The bassist for the Grammy-winning metal band Slipknot died of an "accidental" overdose of morphine and fentanyl, a synthetic morphine substitute, police in Iowa said on Monday as autopsy results were released. more info

The Mirror — Test results have shown the bassist for heavy metal band Slipknot died of an accidental overdose of morphine and fentanyl, a synthetic morphine substitute, police said. more info